Antiglare film and image display apparatus

Abstract

An antiglare film ( 1 ) comprises: a transparent base film ( 2 ), a light-diffusing layer ( 3 ) formed on the transparent base film ( 2 ), and an antiglare layer ( 4 ) formed on the light-diffusing layer ( 3 ). The antiglare film ( 1 ) has an internal haze value in the range of 35 to 75 and a total haze value in the range of 45 to 85. The light-diffusing layer ( 3 ) and/or the antiglare layer ( 4 ) contains translucent particles coated with a low-refraction coating.

1. An antiglare film comprising:
 a transparent base film; and 
 an antiglare layer formed on the transparent base film; 
 wherein the antiglare film has an internal haze value in a range of from 42.5 to 75 and a total haze value in a range of from 52.3 to 85, and the total haze value is greater than the internal haze value; and 
 wherein a difference between the total haze value and the internal haze value is in a range of from 3 to 15. 
 
   
   
     2. The antiglare film according to  claim 1 , wherein a light-diffusing layer is sandwiched between the transparent film and the antiglare layer. 
   
   
     3. The antiglare film according to  claim 2 , wherein the light-diffusing layer contains second translucent particles, and the second translucent particles are coated with a second low-refraction coating. 
   
   
     4. The antiglare film according to  claim 2 , wherein
 the antiglare layer contains first translucent particles coated with a first low-refraction coating, and 
 the light-diffusing layer contains second translucent particles coated with a second low-refraction coating. 
 
   
   
     5. The antiglare film according to  claim 1 , wherein the antiglare layer contains first translucent particles, and the first translucent particles are coated with a first low-refraction coating. 
   
   
     6. The antiglare film according to  claim 1 , wherein fine irregularities are formed on a surface of the antiglare layer on the opposite side of the transparent base film, and the centerline average surface roughness of the fine irregularities is in the range of 0.1 to 2 μm. 
   
   
     7. The antiglare film according to  claim 1 , wherein a low-refraction layer having a refractive index lower than that of the antiglare layer is formed on a surface of the antiglare layer on the opposite side of the transparent base film. 
   
   
     8. The antiglare film according to  claim 7 , wherein the low-refraction layer is formed of a conductive material. 
   
   
     9. The antiglare film according to  claim 1 , wherein a high-refraction layer having a refractive index higher than that of the antiglare layer, and a low-refraction layer having a refractive index lower than that of the high-refraction layer are formed in that order on a surface of the antiglare layer on the opposite side of the transparent base film. 
   
   
     10. The antiglare film according to  claim 9 , wherein at least either the high-refraction layer or the low-refraction layer is formed of a conductive material. 
   
   
     11. The antiglare film according to  claim 1 , wherein a medium-refraction layer having a refractive index higher than that of the antiglare layer, a high-refraction layer having a refractive index higher than that of the medium-refraction layer, and a low-refraction layer having a refractive index lower than that of the high-refraction layer are formed in that order on a surface of the antiglare layer on the opposite side of the transparent base film. 
   
   
     12. The antiglare film according to  claim 11 , wherein at least the medium-refraction layer, the high-refraction layer or the low-refraction layer is formed of a conductive material. 
   
   
     13. The antiglare film according to  claim 1 , wherein a transparent conductive layer is sandwiched between the transparent base film and the antiglare layer, and the antiglare layer contains conductive particles. 
   
   
     14. The antiglare film according to  claim 1 , wherein a polarizer, and a protective layer for protecting the polarizer are formed in that order on a surface of the transparent base film on the opposite side of the antiglare layer. 
   
   
     15. An image-displaying apparatus comprising:
 a display capable of forming an image by reflected light reflected by pixels or by transmitted light passed through the pixels; and 
 an antiglare film including a transparent base film, and an antiglare layer formed on the transparent base film; 
 wherein the antiglare film has an internal haze value in a range of from 42.5 to 75 and a total haze value in a range of from 52.3 to 85, the total haze value is greater than the internal haze value, and the transparent base film of the antiglare film faces the display; and 
 wherein a difference between the total haze value and the internal haze value is in a range of from 3 to 15.